Assembly and quality control


SUMEL provides comprehensive assembly and quality control services which are usually carried out in case of manufacturing of a complete or a semi-finished product.

  • Assembly is made based on our instructions. Depending on the order, we either perform it at once or divide it into stages.

  • Quality control is carried out after assembly to verify if all elements are correct on a basis off the quality protocol, which also defines the procedure to be followed in the case of noticed errors. Quality control is often necessary in order to release products to the market.


Quality control of metal products in Wroclaw, Poland - why is it important?

Defects can happen at any production stage. Each technological process carries the risk of an error. The reasons are various, ranging from machine failure to material quality or human error. This is why our products undergo detailed and multi-stage quality control, which brings the following benefits:

  • improved quality of products,

  • early fault detection,

  • preventing defective products from being released to the market,

  • ensuring customer satisfaction by creating products of excellent quality,

  • delivering products that meet the highest expectations.


SUMEL - skills supported by the ISO 9001: 2015 certificate


Our quality management system complies with the ISO 9001: 2015 certificate. This is an international standard aimed at understanding and meeting all customer requirements. The ISO 9001: 2015 certificate, with which our operation is focused, is primarily aimed at:

  • establishing of product realization processes,

  • on-going measurements - including customer satisfaction, process quality,

  • development of supervision over the documentation and records.


The ISO 9001: 2015 certificate obliges us to act in accordance with the highest standards, therefore, our clients can be sure that we approach each order with full commitment and professionalism.
How the assumptions of the ISO 9001: 2015 certificate look in practice?



In compliance with ISO 9001:2015 certificate we have implemented 8 quality principles:


  • Customer orientation - getting to know his needs and ensuring the best cooperation,

  • Leadership - working out directions for the company's development,

  • Commitment of employees – employees are the most valuable asset of SUMEL,

  • Process approach - consists of the well-thought-out operation of the company,

  • System approach to the management - all processes in the company are interconnected,

  • Continuous improvement - development is a priority at SUMEL,

  • Factual approach to making decisions,

  • Mutual benefits in relations with suppliers.


SUMEL - quality control of metal products in Wroclaw, Poland under the supervision of experts

Our quality controllers have the necessary knowledge, which ensures quick and efficient assessment and appropriate qualification of products. The control is carried out on the basis of an appropriate protocol, in accordance with the specification, methods and test plan. Professionals ensure that the products are in perfect condition, without faults and defects. Clients can be sure that the order is carried out carefully, reliably and in accordance with their expectations.
The entire production process is carried out under the supervision of professionals, in accordance with the ISO 9001: 2015 certificate. We do all our best to deliver products that meet the highest standards to the market.